require File.dirname(__FILE__) + '/ldap_authentication.rb'

class LdapPlugin < Noosfero::Plugin

  def self.plugin_name
    "LdapPlugin"
  end

  def self.plugin_description
    _("A plugin that add ldap support.")
  end

  def allow_user_registration
    false
  end

  def allow_password_recovery
    false
  end

  def alternative_authentication
    login = context.params[:user][:login]
    password = context.params[:user][:password]
    ldap = LdapAuthentication.new(context.environment.ldap_plugin_attributes)

    user = User.find_or_initialize_by_login(login)

    if user.new_record?
      # user is not yet registered, try to authenticate
      begin
        attrs = ldap.authenticate(login, password)
      rescue Net::LDAP::LdapError => e
        puts "LDAP is not configured correctly"
      end

      if attrs
        user.login = login
        user.email = attrs[:mail]
        user.name =  attrs[:fullname]
        user.password = password
        user.password_confirmation = password
        user.person_data = context.params[:profile_data]
        user.activated_at = Time.now.utc
        user.activation_code = nil

        ldap = LdapAuthentication.new(context.environment.ldap_plugin_attributes)
        begin
          user = nil unless user.save
        rescue
          #User not saved
        end
      else
        user = nil
      end

    else

      return nil if !user.activated?

      begin
        # user is defined as nil if ldap authentication failed
        user = nil if ldap.authenticate(login, password).nil?
      rescue Net::LDAP::LdapError => e
        user = nil
        puts "LDAP is not configured correctly"
      end
    end

    user
  end

  def login_extra_contents
    proc do
      @person = Person.new(:environment => @environment)
      @profile_data = @person
      labelled_fields_for :profile_data, @person do |f|
        render :partial => 'profile_editor/person_form', :locals => {:f => f}
      end
    end
  end

end